著者
TADANO Hiroto SAKURAI Tetsuya KURAMASHI Yoshinobu
出版者
筑波大学大学院システム情報工学研究科コンピュータサイエンス専攻
雑誌
Technical Report of Department of Computer Science
巻号頁・発行日
pp.1-10, 2008

In this paper, the influence of errors which arise in matrix multiplications on theaccuracy of approximate solutions generated by the Block BiCGSTAB method is analyzed.In order to generate high accuracy solutions, a new Block Krylov subspacemethod is also proposed. Some numerical experiments illustrate that high accuracysolutions can be obtained by using the proposed method compared with the BlockBiCGSTAB method.

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